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PERFECTION CORP

Overview
  • Total Patents
    76
About

PERFECTION CORP has a total of 76 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and surface technology and coating are PIPE LINE DEVELOPMENT CO, BORMIOLI LORENZO and SUIKEN CO LTD.

Patent filings per year

Chart showing PERFECTION CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Passerell David P 16
#2 Volgstadt Frank R 14
#3 Robison Dave 13
#4 Alewitz Sam 10
#5 Lorenz James M 9
#6 Passerell Steven J 6
#7 Jacobson Irvin D 5
#8 Robison David L 5
#9 Knaus Jason 4
#10 Reschke Albert H 4

Latest patents

Publication Filing date Title
US2008099077A1 Leakproof tapping tee assembly
US2005139171A1 Heat trap
US7178544B2 Combination shut-off and resetable excess flow valve
US2005140140A1 Connector with fluid line installation indicator
US6851395B2 Heat trap with non-rotating sealing member
US2004200988A1 Ball valve with fused end caps
US2003214133A1 Crimped gas riser with jacket assembly
US6892753B2 Structure for converting a mechanical joint to a fusion joint
US2001035647A1 Coupling assembly for joining plastic and metal pipes
US6142538A Stab-type coupling with conduit inner diameter seal
AU6793398A Gas riser with free rotating plastic riser casing
US6371531B1 Stab-type coupling with collet having locking ribs and rotation prevention member
US5947532A Stab-type coupling for conduit
US5934711A Mold shot riser element with O-ring sealing
US5839703A Anti-rotation bracket
US5779285A Pipe coupling assembly
US5590914A Field assembled gas riser
US5425395A Tapping tee assembly
US5397101A Ball valve
US5326137A Gas riser apparatus and method